go/src/runtime/pprof/proto_other.go

// readMapping reads /proc/self/maps and writes mappings to b.pb.
// It saves the address ranges of the mappings in b.mem for use
// when emitting locations.
func (b *profileBuilder) readMapping() { … }

func readMainModuleMapping() (start, end uint64, exe, buildID string, err error) { … }